Heater



FIG. 1 is a front view of the heater of the invention;

FIG. 2 is a rear view of the heater depicted in FIG. 1;

FIG. 3 is a right side view of the heater depicted in FIG. 1;

FIG. 4 is a left side view of the heater depicted in FIG. 1;

FIG. 5 is a top view of the heater depicted in FIG. 1;

FIG. 6 is a bottom view of the heater depicted in FIG. 1; and,

FIG. 7 is a perspective view of the heater depicted in FIG. 1. 

The ornamental design for a heater, as shown. 